SOLUTION: 3x+7y=-4
-7x+y=44
Algebra.Com
Question 452243: 3x+7y=-4
-7x+y=44
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
3x+7y=-4............1
-7x+y=44.............2
Eliminate y
multiply (1)by 1
Multiply (2) by -7
3x+7y=-4
49x-7y=-308
Add the two equations
52x=-312
/52
x=-6
plug value of x in (1)
3x+7y=-4
-18+7y= -4
7y=-4+18
7y=14
y=2
RELATED QUESTIONS
solve the systems using addition
so far this is what I have:
4x+2y =-4
3x+5y = 2... (answered by greenestamps)
3x+y=-4... (answered by a)
solve the following sytems of equations
1. 2. (answered by elima)
How would I solve these systems?
1)x+5y=4
3x-7y=-10
2)-5x+3y=6
x-y=4
(answered by elima)
-7x+y=-19
-2x+3y=-19
-7x-8y=9
-4x+9y=-22
5x+4y=-30
3x-9y=-18
-14=-20y-7x... (answered by solver91311)
7x^7y^4/7a^3b^3 times... (answered by checkley77)
3x+7y=33
-7x+y=27
Solve using the substitution... (answered by rfer)
3x + 5y = 44
8x - 7y =... (answered by checkley77)
3x-4y=44... (answered by Fombitz)